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算法設(shè)計(jì)與分析
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為了便于讀者進(jìn)行系統(tǒng)學(xué)習(xí)、分類(lèi)整理知識(shí)點(diǎn)及遇到問(wèn)題時(shí)能夠快速找到求解的方法,本書(shū)按照算法策略進(jìn)行劃分,每一章都引入了若干個(gè)經(jīng)典問(wèn)題。通過(guò)問(wèn)題的分析、計(jì)算模型的建立、算法的設(shè)計(jì)與描述、算法的分析來(lái)深入解讀每一種算法策略所能解決的問(wèn)題范疇及方法。全書(shū)共分9章,內(nèi)容包括:算法設(shè)計(jì)基礎(chǔ)、算法效率分析基礎(chǔ)、迭代法、蠻力法、分治策略、回溯與分支界限、貪心算法、動(dòng)態(tài)規(guī)劃、隨機(jī)算法。本書(shū)非常注重教材的可讀性和實(shí)用性,以問(wèn)題分析→模型設(shè)計(jì)→算法設(shè)計(jì)描述→算法分析為技術(shù)線路,幫助讀者迅速掌握算法設(shè)計(jì)要點(diǎn),規(guī)范算法設(shè)計(jì)、分析及實(shí)現(xiàn)的方法。書(shū)中例題的問(wèn)題分析和模型設(shè)計(jì)模塊用于培養(yǎng)讀者的抽象設(shè)計(jì)能力,算法設(shè)計(jì)模塊用于提高讀者運(yùn)用計(jì)算機(jī)求解問(wèn)題的能力,算法分析模塊用于幫助讀者運(yùn)行用數(shù)學(xué)工具對(duì)算法進(jìn)行客觀分析。同時(shí),本書(shū)編寫(xiě)時(shí)也考慮到初學(xué)者所面臨的困難,在算法設(shè)計(jì)與描述中,刻意增加了基于源代碼的程序設(shè)計(jì)與實(shí)現(xiàn)環(huán)節(jié),從而全方位地幫助讀者提高算法設(shè)計(jì)與分析實(shí)踐能力和理論水平。

張小東主編 ·數(shù)據(jù)庫(kù) ·9.4萬(wàn)字

MySQL數(shù)據(jù)庫(kù)基礎(chǔ)實(shí)例教程
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本書(shū)較全面地介紹了MySQL數(shù)據(jù)庫(kù)的基礎(chǔ)知識(shí)及其應(yīng)用。本書(shū)共11章,包括數(shù)據(jù)庫(kù)基礎(chǔ),MySQL的安裝與配置,數(shù)據(jù)庫(kù)的基本操作,數(shù)據(jù)表的基本操作,表數(shù)據(jù)的增、改、刪操作,數(shù)據(jù)查詢,視圖,索引,存儲(chǔ)過(guò)程與觸發(fā)器,事務(wù),數(shù)據(jù)安全等內(nèi)容。本書(shū)采用案例教學(xué)方式,每章以應(yīng)用實(shí)例的方式闡述知識(shí)要點(diǎn),再通過(guò)實(shí)訓(xùn)項(xiàng)目分析綜合應(yīng)用,最后輔以思考與練習(xí)鞏固所學(xué)知識(shí)。應(yīng)用實(shí)例、實(shí)訓(xùn)項(xiàng)目、思考與練習(xí)這3個(gè)部分分別采用3個(gè)不同的數(shù)據(jù)庫(kù)項(xiàng)目貫穿始末。本書(shū)既可作為計(jì)算機(jī)相關(guān)專(zhuān)業(yè)和非計(jì)算機(jī)專(zhuān)業(yè)數(shù)據(jù)庫(kù)基礎(chǔ)或數(shù)據(jù)庫(kù)開(kāi)發(fā)課程的教材,也可作為計(jì)算機(jī)軟件開(kāi)發(fā)人員、從事數(shù)據(jù)庫(kù)管理與維護(hù)工作的專(zhuān)業(yè)人員、廣大計(jì)算機(jī)愛(ài)好者的自學(xué)用書(shū)。

汪曉青主編 ·數(shù)據(jù)庫(kù) ·7.8萬(wàn)字

Internet of Things Programming with JavaScript
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LearntheartofbringingtheInternetofThingsintoyourprojectswiththepowerofJavaScriptAboutThisBook?ThisisapracticalguidetohelpyouconfigureandbuildacompletedistributedIoTsystemfromscratchusingJavaScript?UtilizethepowerofNodeandHTML5todevelopwebservicesandacentralizedwebserver,enablinghigh-levelcommunicationbetweenconnecteddevices?ControlallyourconnecteddevicesfromthebrowserbysettingupacommondashboardWhoThisBookIsForThisbookisfordeveloperswhoareinterestedinlearninghowtocommunicatewithconnecteddevicesinJavaScripttosetupanIoTsystem.SomebasicknowledgeofJavaScriptisexpected.HobbyistswhowanttoexplorethepotentialofIoTinJavaScriptwillalsofindthisbookuseful.WhatYouWillLearn?DeveloptheskillstoconnecteddevicespreparedthefieldtointeractwiththedevicesinanetworksystemInternetofThings?Findouthowtoconnectsensorsandactuatorstothedevices?Senddatatoawebserverconnecteddevices?UnderstandInternetofthingsusingwebservicesanddatabase?ConfigureadashboardusingHTML5andJavaScript?Controldevicesconnectedfromadashboard?Monitordifferentdevicesfromthedashboard?BuildanappforasmartphonetocontroldifferentdevicesInDetailTheInternetofThings(IoT)isanentirelynewplatformfordevelopersandengineers,butonethingthatremainsconsistentaswemoveintothisnewworld,aretheprogramminglanguages.JavaScriptisthemostwidelyusedlanguageovertheInternet,andwithIoTgainingmomentum,youwilllearnhowtoharnessthepowerofJavaScripttointeractwithconnecteddevices.ThisbookwillteachyouhowtointeractwithendpointdevicesbydevelopingwebservicesinJavaScriptandalsosetupaninterfacetocontrolallconnecteddevices.Thisbookbeginswithsettingupacentralizedwebserverthatservesasahubforallconnecteddevices.Thebookthenprogressesfurthertowardsbuildingwebservicestofacilitatehigh-levelcommunicationbetweenconnecteddevices.UsingArduinoandRaspberryPiZeroasendpointdevices,thebookwillshowyouhowdevicescancommunicatewitheachother,performawiderangeoftasks,andalsobecontrolledfromacentralizedlocationusingJavaScript.Thebookendswithcreatingahybridapptocontrolthedevicesthatcanberunfromabrowserorinstalledonasmartphone.StyleandapproachThisbookoffersstep-by-stepguidanceonhowtosetupadistributedIoTsystemusingJavaScript.ItwillteachyouhowtointeractwithendpointdevicesbydevelopingwebservicesinJavaScriptandalsosetupaninterfaceforcontrollingallconnecteddevices.

Rubén Oliva Ramos ·數(shù)據(jù)庫(kù) ·2.6萬(wàn)字

Internet of Things with Python
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InteractwiththeworldandrapidlyprototypeIoTapplicationsusingPythonAboutThisBook?RapidlyprototypeevencomplexIoTapplicationswithPythonandputthemtopracticaluse?EnhanceyourIoTskillswiththemostup-to-dateapplicabilityinthefieldofwearabletech,smartenvironments,andhomeautomation?Interactwithhardware,sensors,andactuatorsandcontrolyourDIYIoTprojectsthroughPythonWhoThisBookIsForThebookisidealforPythondeveloperswhowanttoexplorethetoolsinthePythonecosysteminordertobuildtheirownIoTapplicationsandworkonIoT-relatedprojects.ItisalsoaveryusefulresourcefordeveloperswithexperienceinotherprogramminglanguagesthatwanttoeasilyprototypeIoTapplicationswiththeIntelGalileoGen2board.WhatYouWillLearn?PrototypeanddevelopIoTsolutionsfromscratchwithPythonastheprogramminglanguage?DevelopIoTprojectswithIntelGalileoGen2boardalongwithPython?WorkwiththedifferentcomponentsincludedintheboardsusingPythonandtheMRAAlibrary?Interactwithsensors,actuators,andshields?WorkwithUARTandlocalstorage?InteractwithanyelectronicdevicethatsupportstheI2Cbus?Allowmobiledevicestointeractwiththeboard?Workwithreal-timeIoTandcloudservices?UnderstandBigDataandIoTanalyticsInDetailInternetofThings(IoT)isrevolutionizingthewaydevices/thingsinteractwitheachother.AndwhenyouhaveIoTwithPythononyourside,you'llbeabletobuildinteractiveobjectsanddesignthem.Thisbookletsyoustayattheforefrontofcutting-edgeresearchonIoT.We'llopenupthepossibilitiesusingtoolsthatenableyoutointeractwiththeworld,suchasIntelGalileoGen2,sensors,andotherhardware.Youwilllearnhowtoread,write,andconvertdigitalvaluestogenerateanalogoutputbyprogrammingPulseWidthModulation(PWM)inPython.Youwillgetfamiliarwiththecomplexcommunicationsystemincludedintheboard,soyoucaninteractwithanyshield,actuator,orsensor.Lateron,youwillnotonlyseehowtoworkwithdatareceivedfromthesensors,butalsoperformactionsbysendingthemtoaspecificshield.You'llbeabletoconnectyourIoTdevicetotheentireworld,byintegratingWiFi,Bluetooth,andInternetsettings.Witheverythingready,youwillseehowtoworkinrealtimeonyourIoTdeviceusingtheMQTTprotocolinpython.Bytheendofthebook,youwillbeabletodevelopIoTprototypeswithPython,libraries,andtools.StyleandapproachThisbooktakesatutorial-likeapproachwithmissioncriticalchapters.Theinitialchaptersareintroductionsthatsetthepremiseforusefulexamplescoveredinlaterchapters.

Gastón C. Hillar ·數(shù)據(jù)庫(kù) ·8.6萬(wàn)字

軟件成本度量國(guó)家標(biāo)準(zhǔn)實(shí)施指南:理論、方法與實(shí)踐
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為落實(shí)工業(yè)和信息化部?jī)?yōu)化軟件產(chǎn)業(yè)環(huán)境的工作部署,進(jìn)一步推動(dòng)功能規(guī)模測(cè)量、軟件開(kāi)發(fā)成本度量、軟件測(cè)試成本度量、IT運(yùn)維成本度量和云服務(wù)計(jì)量指標(biāo)等方面的標(biāo)準(zhǔn)推廣及深化應(yīng)用,本書(shū)系統(tǒng)地闡述軟件成本度量理論體系,深入解讀軟件成本度量標(biāo)準(zhǔn)內(nèi)容及實(shí)施要點(diǎn),結(jié)合不同場(chǎng)景及典型案例給出具體的應(yīng)用指導(dǎo)。本書(shū)正文分5個(gè)部分,共11章。第一部分是軟件成本度量概述和軟件規(guī)模測(cè)量方法(第1~2章),第二部分是GB/T36964—2018《軟件工程軟件開(kāi)發(fā)成本度量規(guī)范》標(biāo)準(zhǔn)解讀、實(shí)施指南和案例分析(第3~5章),第三部分是GB/T32911—2016《軟件測(cè)試成本度量規(guī)范》標(biāo)準(zhǔn)解讀、實(shí)施指南和案例分析(第6~8章),第四部分是其他軟件相關(guān)成本度量標(biāo)準(zhǔn)(第9~10章),對(duì)IT運(yùn)維成本度量(國(guó)標(biāo)在研)和GB/T37735—2019《信息技術(shù)云計(jì)算云服務(wù)計(jì)量指標(biāo)》進(jìn)行介紹,第五部分是軟件成本度量相關(guān)技術(shù)展望(第11章)。本書(shū)還包含5個(gè)附錄:附錄A中國(guó)軟件行業(yè)基準(zhǔn)數(shù)據(jù)(2019年),該數(shù)據(jù)可作為軟件研發(fā)與測(cè)試成本測(cè)算的依據(jù);附錄B涉及本書(shū)標(biāo)準(zhǔn)實(shí)施的常見(jiàn)問(wèn)題及回答(Q&A),附錄C標(biāo)準(zhǔn)術(shù)語(yǔ)和定義,附錄D快速功能點(diǎn)分析方法介紹,附錄E調(diào)整因子參數(shù)表。

張旸旸 ·數(shù)據(jù)庫(kù) ·11.7萬(wàn)字

數(shù)據(jù)庫(kù)應(yīng)用技術(shù)
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本書(shū)是一本研究報(bào)告,圍繞工程技術(shù)人員專(zhuān)業(yè)水平評(píng)價(jià)的制度建立和體系構(gòu)建開(kāi)展了深入研究,以歷史資料研究和專(zhuān)家訪談為基礎(chǔ),回顧我國(guó)職稱(chēng)制度的歷史沿革和存在的問(wèn)題,提出了建立符合中國(guó)國(guó)情的工程師制度的必要性、緊迫性和對(duì)創(chuàng)新我國(guó)專(zhuān)業(yè)技術(shù)人員評(píng)價(jià)制度的思考;以覆蓋18家全國(guó)學(xué)會(huì)的調(diào)查和汽車(chē)行業(yè)的典型調(diào)查為基礎(chǔ),分析專(zhuān)業(yè)技術(shù)人員對(duì)我國(guó)現(xiàn)行職稱(chēng)制度改革的建議、參與社會(huì)評(píng)價(jià)的意向和對(duì)改進(jìn)評(píng)價(jià)標(biāo)準(zhǔn)、程序、方式等方面的建議;分析了人才培養(yǎng)體系對(duì)工程技術(shù)人員成長(zhǎng)的影響;圍繞工程技術(shù)人員管理制度的相關(guān)問(wèn)題展開(kāi)研究,基于對(duì)典型國(guó)家相關(guān)制度的比較研究和我國(guó)國(guó)情客觀分析,提出了我國(guó)工程技術(shù)人員注冊(cè)制度的框架體系設(shè)計(jì)構(gòu)想以及在專(zhuān)業(yè)水平評(píng)價(jià)中科學(xué)合理界定專(zhuān)業(yè)領(lǐng)域的基本原則和思路,并研究總結(jié)了我國(guó)目前職稱(chēng)評(píng)審的理論和方法研究進(jìn)展。

欒志軍 呂海洋 付海娟主編 ·數(shù)據(jù)庫(kù) ·13.4萬(wàn)字

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